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CD74HC237DYYR
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Product Detailed Parameters
- Description：HIGH SPEED CMOS LOGIC 3-TO-8 LIN
- Series：74HC
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Decoder/Demultiplexer
- Circuit：1 x 3:8
- Independent Circuits：1
- Current - Output High, Low：5.2mA, 5.2mA
- Voltage Supply Source：Single Supply
- Voltage - Supply：2V ~ 6V
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：SOT-23-16 Thin, SOT-23 Variant
- Supplier Device Package：16-SOT-23-THIN
- Grade：-
- Qualification：-
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Overview
The CD74HC237DYYR is a high-speed CMOS logic device functioning as a 3-to-8 line decoder and demultiplexer with address latches. It operates on a single power supply ranging from 2V to 6V. The component features three address inputs, eight data outputs, and an enable input. It is housed in a 16-pin SOT-23-Thin package designed for surface-mount applications.
Feature Summary
- Integrates address latches to maintain decoded output states independently of input changes
- Provides active-low outputs suitable for direct interfacing with various logic families
- Supports wide voltage operation compatible with standard CMOS and TTL systems
Applications
- Address decoding in memory systems
- Data routing in digital signal processing circuits
- Control logic for peripheral selection
Procurement Notes
Verify the specific suffix DYYR corresponds to the 16-SOT-23-Thin package configuration. Confirm RoHS compliance status and moisture sensitivity level requirements against project specifications. Ensure the ordering part number matches the exact manufacturer designation to avoid pinout discrepancies.
Selection Notes
Select this component when latch functionality is required to hold address lines stable during transitions. Compare propagation delay specifications against system timing constraints. Evaluate package dimensions against available PCB real estate compared to alternative TSSOP or SOIC variants within the same logic family.
Part Context
This device belongs to the Texas Instruments 74HC series of high-speed CMOS logic components. It shares functional similarities with other decoders but distinguishes itself through integrated address latching capabilities. The series is widely used in general-purpose digital electronics requiring reliable signal decoding.
Replacement Considerations
CD74HC237PWR offers identical logical functionality in a 16-TSSOP package. SN74HC237D provides equivalent performance in a standard 16-SOIC footprint. Verify pin compatibility before substituting these alternatives.
